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要約 目的:ポリープ状脈絡膜血管症に初回治療として行ったラニビズマブ硝子体注射と光線力学療法の併用療法の12か月後の成績の報告。対象と方法:治療歴のないポリープ状脈絡膜血管症25例25眼を対象とした。男性21例,女性4例で,年齢は60~86歳,平均74歳である。治療前と治療後3,6,12月目の視力と,光干渉断層計(OCT)による中心窩網膜厚を検索した。結果:治療前視力の中央値は0.2であった。0.2以上の視力良好群では1年後の視力と中心窩網膜厚は改善し,これ以下の視力不良群では中心窩網膜厚は減少し,視力は悪化した。結論:ポリープ状脈絡膜血管症に対するラニビズマブ硝子体注射と光線力学療法の併用療法で,1年後の中心窩網膜厚が減少し,0.2以上の視力良好群では視力が改善し,これ以下の視力不良群では視力が悪化した。
Abstract. Purpose:To report the one-year outcome of photodynamic therapy with intravitreal ranibizumab for polypoidal choroidal vasculopathy(PCV). Cases and Method:This study was made on 25 eyes of 25 cases who received photodynamic therapy with intravitreal ranibizumab as the initial treatment for PCV. The series comprised 21 males and 4 females. The age ranged from 60 to 86 years,average 74 years. Outcome of treatment was evaluated with visual acuity(VA)and OCT findings as parameters. Results:VA before treatment averaged 0.2 as median value. Cases with VA of 0.2 or better showed reduced foveal retinal thickness and improved VA after one year. Cases with VA less than 0.2 showed reduced foveal retinal thickness and impaired VA after one year. Conclusion:Photodynamic therapy with intravitreal ranibizumab resulted in reduced foveal retinal thickness after one year. VA improved when it was better than 0.2 and deteriorated when it was worse than 0.2.
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